The phrase "called all bets off" typically means that a previously agreed-upon plan or arrangement has been canceled or abandoned. Antonyms for this phrase could include "confirmed," "reaffirmed," or "committed," which all imply a willingness to move forward with a previously made decision. Other antonyms could include "committed to," "bound to," or "dedicated to," all of which convey a sense of resolve towards a particular course of action. Conversely, antonyms for "called all bets off" could also include phrases like "set in stone," "unchanging," or "decided," which suggest a firmness or unwillingness to change course.